<script>
    // 非法进入首页修改地址栏   马上判断是否有token
    // localStorage.getItem
    if(localStorage.getItem('token') === null){
      alert('请先登录')
      //根据响应结果,通过服务器返回结果 进行二次判断
        location.href = './login.html'
    }
</script>
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
  <title>layout 管理系统大布局 - Layui</title>
  <link rel="stylesheet" href="./assets/lib/layui/css/layui.css">
  <link rel="stylesheet" href="./assets/css/index.css">
</head>
<body>
<div class="layui-layout layui-layout-admin">
  <div class="layui-header">
    <div class="layui-logo layui-hide-xs layui-bg-black"><img src="./assets/images/logo.png" alt=""></div>
    <!-- 头部区域（可配合layui 已有的水平导航） -->
  
    <ul class="layui-nav layui-layout-right">
      <li class="layui-nav-item layui-hide layui-show-md-inline-block">
        <a href="javascript:;">
          <span class="text-avatar">D</span>
          <img src="//tva1.sinaimg.cn/crop.0.0.118.118.180/5db11ff4gw1e77d3nqrv8j203b03cweg.jpg" class="layui-nav-img">
          tester
        </a>
        <dl class="layui-nav-child">
          <dd><a href="">Your Profile</a></dd>
          <dd><a href="">Settings</a></dd>
          <dd><a href="">Sign out</a></dd>
        </dl>
      </li>
      <li class="layui-nav-item" lay-header-event="menuRight" lay-unselect>
        <a href="javascript:;">
          <i class="layui-icon layui-icon-logout" id='logo_out'>退出</i>
        </a>
      </li>
    </ul>
  </div>
  
  <div class="layui-side layui-bg-black">
    <div class="layui-side-scroll">
      <!-- 左侧导航区域（可配合layui已有的垂直导航） -->
      
      <div class="userinfo">
        <a href="javascript:;">
          <span class="text-avatar">D</span>
          <img src="//tva1.sinaimg.cn/crop.0.0.118.118.180/5db11ff4gw1e77d3nqrv8j203b03cweg.jpg" class="layui-nav-img">
          欢迎你<span class="username">老汤</span>
        </a>
      </div>
      <ul class="layui-nav layui-nav-tree" lay-shrink="all" lay-filter="test">
        <li class="layui-nav-item layui-this"><a href=""><i class="layui-icon layui-icon-home"></i>首页</a>
        <li class="layui-nav-item">
          <a class="" href="javascript:;"><i class="layui-icon layui-icon-form"></i>文章管理</a>
          <dl class="layui-nav-child">
            <dd><a href="javascript:;"><i class="layui-icon layui-icon-app"></i>分类管理</a></dd>
            <dd><a href="javascript:;"><i class="layui-icon layui-icon-app"></i>文章列表</a></dd>
            <dd><a href="javascript:;"><i class="layui-icon layui-icon-app"></i>发布文章</a></dd>
          </dl>
        </li>
        <li class="layui-nav-item">
          <a href="javascript:;"><i class="layui-icon layui-icon-username"></i>个人中心</a>
          <dl class="layui-nav-child">
            <dd><a href="javascript:;"><i class="layui-icon layui-icon-app"></i>基本资料</a></dd>
            <dd><a href="javascript:;"><i class="layui-icon layui-icon-app"></i>重置密码</a></dd>
            <dd><a href=""><i class="layui-icon layui-icon-app"></i>重置头像</a></dd>
          </dl>
        </li>
       
      </ul>
    </div>
  </div>
  
  <div class="layui-body">
    <!-- 内容主体区域 -->
    <div style="padding: 15px;">内容主体区域。记得修改 layui.css 和 js 的路径</div>
  </div>
  
  <div class="layui-footer">
    <!-- 底部固定区域 -->
    底部固定区域
  </div>
</div>
<script src="./assets/lib/layui/layui.js"></script>
<script src="./assets/lib/jquery.js"></script>
<script src="./assets/js/common.js"></script>
<script src="./assets/js/index.js"></script>
</body>
</html>